We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
0
247
1
avatar+440 

2y(3x + y - 2z) + 3x(y - 2x + z)

for x = -2, y = 2, and z = 1

 Jan 10, 2019
 #1
avatar+103138 
+1

2y(3x + y - 2z) + 3x(y - 2x + z)

for x = -2, y = 2, and z = 1

 

 

OK.....let's fill in what we know....

 

2(2) [  3(-2) + 2 - 2(1) ] + 3(-2) [ 2 - 2(-2) + 1 ]  =

 

4 [  - 6  + 2 - 2 ]  +   (-6) [2 + 4 + 1 ]    = 

 

4 [ -6 ]  +   (-6) [ 7 ]    =

 

-24    -   42   =

 

-66

 

 

cool cool cool

 Jan 10, 2019

12 Online Users

avatar